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  • Ultimate Direction Adventure 4.0 Hyrdration Vest
  • Ultimate Direction Adventure 4.0 Hyrdration Vest 3/4 Back
  • Ultimate Direction Adventure 4.0 Hyrdration Vest Detail
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Ultimate DirectionAdventure 4.0 Hyrdration Vest
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Item # ULD002Q

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Item # ULD002Q

Packable aid station.

Throw enough food, water, and layers for a full day in the mountains in the Ultimate Adventure 4.0 Hydration Vest and start exploring forgotten trails and remote ridgelines. This full-featured vest has plenty of pockets for multiple energy bars, water bottles, and even a burrito—just in case you get a hankering for a bean and cheese once you gain the summit. The large back compartment is big enough to stash a rain jacket in the vest, so you aren't stuck sprinting back to the car once it start to rain, and the Comfort Cinch system makes it easy to adjust the fit of the vest to match your torso while you're on the move.
  • Full-featured running vest for adventurous trail runs
  • Front water bottle pocket allows for on-the-go hydration
  • Front burrito pocket accommodate a large phone or water bottle
  • Large back compartment stows a light rain jacket
  • Multiple pockets secure snacks and emergency essentials
Tech SpecsSize
Tech Specs
Flex Mono Mesh, MicroMono Mesh, 30D nylon, 4-way nylon, elastane blend
16.4L (100cu in)
Comfort Cinch
1 front water bottle, 1 front burrito, 2 zippered shoulder, 1 zippered front, 1 stretch mesh front, 2 zippered side, 2 zippered back, 2 drop-in back
Trekking Pole Carry
Recommended Use
trail running
Manufacturer Warranty

Ultimate Direction

Packs & Vests
SJ Ultra Vest 2.0
Chest Circumference

23 - 33in

(58 - 84cm)

31 - 36in

(79 - 99cm)

36 - 44in

(91 - 112cm)

AK Race Vest 2.0, PB Adventure Vest 2.0
 S / MM / L
Chest Circumference

23 - 36in

(58 - 91cm)

32 - 44in

(81 - 112cm)

Ultra Vesta
 XS / SM / L
Chest Circumference

20 - 38in

(51 - 79cm)

24 - 40in

(61 - 102cm)

Fastpack 20, Fastpack 30, Skimo 8
 S / MM / L
Chest Circumference

24 - 40in

(58 - 91cm)

32 - 46in

(81 - 112cm)

Torso Range

15 - 19in

(38 - 48cm)

18 - 21.5in

(45 - 55cm)

 One Size
Chest Circumference

29 - 46in

(74 - 117cm)

 One Size
Chest Circumference

25 - 41in

(63.5 - 104cm)

NOTE: Measure wearing the clothes you intend to wear. A vest full of gear will fit smaller.

Reviews & Community


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Best of the Best

  • Familiarity: I've used it several times

This pack is simply awesome. I pair it with a Hydrapak Shape-Shift reservoir, to keep the sloshing to a minimum. The vest ventilates really well and the suspension system keeps it comfortable and in place, even when the pack it on the heavy end. I use it for mountain biking, long day hikes and some jogging as well. It is the most comfortable pack I have worn, and I love the versatility it brings with the stretchy stuff pockets, and amble pockets for food, phone, hat, gloves etc. This pack has a lot of bells and whistles and it ships with one chest water bottle. The only complaint is that the chest bottle pockets can be a bit tricky to get the soft bottle in and out. It would be best to pair the front water pockets with a bottle w/ a strawor one of the semi-rigid soft bottles.